Blender is a free and open source 3d model editor, sculpting tool and video editor even. Very powerful and very easy to download and install, as long as you don't get it from scam websites, which bundle it with malware. Follow the steps in this video to get the right version.

The safe download location for Blender is: https://www.blender.org

Blender file association tutorial: https://www.youtube.com/watch?v=4Tx_sQ4Gj3g
Blender image sequence tutorial: https://www.youtube.com/watch?v=f7jeWyNCKDo

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